.full-screen-title {
    position: absolute;
    width: 100%;
    height: 44px;
    line-height: 44px;
    background-color: rgba(0, 0, 0, .5);
    color: #fff;
    font-size: 24px;
    padding-left: 25px;
    display: none;
    top: 0;
}